Covering Thamesmead
Alongside Thamesmead, we also cover Barking, Welling (3 miles to the south) and Becontree.
Homes in London
Much of London’s housing is Victorian and Edwardian terraces, which is why side return extensions, rear dormers and mansards are so common. Many streets are in conservation areas, and several boroughs use Article 4 directions that remove some permitted development rights.
What does a porch involve?
We build porches in matching brick with a tiled or lead roof, a new composite or timber door, and lighting. If you want a wider entrance or a WC, we can design a larger front extension instead and handle the planning.
- Tiled, slate or lead roof
- Front door and side window supply and fit
- Lighting and power
What will a porch cost?
Use these ranges to budget for porches; the survey turns them into a fixed price for the agreed specification.
| Porches | Guide price incl. VAT |
|---|---|
| Open canopy over the door | £2,500 to £5,000 |
| Brick porch with tiled roof | £6,000 to £10,000 |
| Larger porch or front extension | £10,000 to £16,000 |
Planning and building rules in Thamesmead
In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.
In England a porch is permitted development if its footprint is no more than 3 m² measured externally, no part is higher than 3 m, and no part is within 2 m of a boundary with a road or footpath. Larger porches need planning permission.
What should I think about before starting?
- Keeping the original front door between house and porch can keep a porch exempt from building regulations.
- The roof pitch should echo the main roof or bay window.
What are the steps?
- Tell us about the project. Call, use the guide price tool or send the form with a few photos and a postcode.
- Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
- Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
- Construction and completion. One site lead co-ordinates every trade through to the building control certificate.
What people ask before starting
Do I need planning permission for a porch?
Not in England if it is no bigger than 3 m², no higher than 3 m and at least 2 m from the boundary with a road.
How long does it take?
One to three weeks on site.
Can you visit a house in Thamesmead to quote?
Yes. After a short call we arrange a site visit to measure up and agree what the design needs to do, then send a written price.
Porches in nearby towns
Learn more about porches, or see every project we cover in Thamesmead.

